Railing for fish rearing system



FIG. 1 is a side elevational view of a railing for fish rearing system showing my new design, the opposite side being a mirror image of the side shown;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a perspective view thereof; and

FIG. 4 is a top plan view thereof. 

The ornamental design for a railing for fish rearing system, as shown and described. 